Table of Contents
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OM0228
February/2014
Labgard ES Energy Saver Class II,
Type B2 Laminar Flow
Biological Safety Cabinet
Models
NU‐430‐400/600
Bench/Console
Operation & Maintenance Manual
February, 2014
(Series 65)
Revision 1
Manufactured By:
NuAire, Inc.
2100 Fernbrook Lane
Plymouth, MN 55447
Toll‐Free: 1‐800‐328‐3352
In Minnesota: (763)‐553‐1270
Fax: (763)‐553‐0459
Page 1 of 99
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Table of Contents
Troubleshooting
Related Manuals for NuAire NU-430-600
Summarization of Contents
Labgard ES Energy Saver Class II, Type B2 Laminar Flow Biological Safety Cabinet
Models NU-430-400/600 Bench/Console
Identifies the specific models and configuration of the biological safety cabinet.
Operation & Maintenance Manual
Indicates the purpose and nature of the document.
1.0 General Information
1.1 Description
Details the product's design, technology, and intended use.
1.2 Safety Instructions
1.3 Explanation of Symbols
Defines various safety symbols used throughout the manual.
4.0 Shipments
4.1 Damaged Shipments
Provides steps to take in case of visible or concealed damage during shipment.
5.0 Installation Instructions
5.1 Location
Recommends ideal placement for the cabinet to ensure proper airflow and operation.
5.2 Set-Up Instructions
5.2.1 Base Stand Assembly
Instructions for assembling the cabinet's base stand, including optional storage cabinets.
5.2.2 Leveling
Details how to adjust leg levelers to ensure the cabinet is stable and properly seated.
5.2.3 Bench Installation
Specific instructions for installing the cabinet onto a laboratory bench, including drain valve setup.
5.3 Exhaust/Supply Air Checks
5.3.1 Exhaust Volume / Inflow Velocity
Verifying exhaust volume and inflow velocity readings on the front panel.
5.3.2 Supply Velocity
Monitoring and controlling the supply airflow velocity using the BSCC system.
6.0 Operating the NU-430
6.1 Biological Safety Cabinet Control
Overview of the BSCC system, its functions, and user interface.
6.1.5 Timer Icons
Laboratory Timer
Functionality of the general-purpose timer for countdowns and alarms.
Purge Timer
Controls the blower run time for purging the cabinet after shutdown.
Menu Items
Calibration/Service
Password-protected area for certification and calibration setup by service personnel.
Time/Date
Function to set and display the current time and date on the TOUCHLINK LCD.
6.2 Operating Guidelines
6.2.1 Know Your "Safe Working Area"
Defines the safe work zone within the cabinet for performing procedures.
6.3 Operating Sequence
6.3.1 Start Up
Initial steps to turn on the cabinet and verify its operational readiness.
6.6 Hazardous Drug Decontamination Procedures
6.6.1 Preparation
Pre-decontamination steps, including required personal protective equipment (PPE).
6.6.2 Procedure
The actual steps involved in the hazardous drug decontamination process.
6.6.3 Assembly
Steps related to reassembling parts after decontamination or maintenance.
7.0 General Maintenance
7.1 Decontamination
Procedures for decontaminating the cabinet before maintenance or service.
7.3 HEPA Filter/Motor Replacement
7.3.1 Supply Filter Replacement
Detailed steps for removing and installing the supply HEPA filter.
7.5 Airflow Control System Setup and Calibration
7.5.1 General
General requirements and importance of setup and calibration by a certified technician.
7.5.2 Calibration/Service Menu
7.5.2.1 Cabinet Type
Verifying and setting the cabinet type (e.g., B2) and model size.
7.5.3 Airflow Calibration
7.5.3.1 Exhaust Volume Calibration without the NU-951-012 Motorized Butterfly Valve
Calibrating exhaust volume when not using an automatic butterfly valve.
7.6 HEPA Filter Leak Test
7.6.1 Supply Filter
Details on accessing and potentially removing the supply filter diffuser plate.
7.6.2 Exhaust Filter
Methods for checking exhaust filter integrity using a gross leak method.
7.8 Site Installation Assessment Tests
7.8.1 Sash Alarm
Testing the alarm response when the sliding sash is raised above its designated height.
7.8.2 Airflow or Pressure Alarm
Verifying alarm activation when exhaust airflow drops below a set threshold.
7.10 Main Control Board Description & Replacement
7.10.1 Main Control Board Replacement
Steps for accessing and replacing the main control board assembly.
7.10.2 Main Control Board Fuse Replacement
Procedures for identifying and replacing fuses on the main control board.
7.11 Digital Airflow Sensor Description & Replacement
7.11.1 Downflow Velocity Sensor
Description and replacement procedure for the downflow velocity sensor.
7.11.2 Exhaust Pressure Sensor
Description and replacement procedure for the exhaust pressure sensor.
8.2 Calibration/Service Menu
8.2.1 General
Overview of accessing the service menu and password requirements.
8.2.2 Calibration/Service Menu
Details the sub-menu items available for various service tasks.
8.2.8 Option Set Up
Airflow Display Averaging
Enables averaging of airflow display for more stable readings.
8.2.9 Diagnostics
Test Outputs
Allows technicians to test and toggle various output functions.
8.3 Airflow Sensor Performance Verification
8.3.1 Run Mode
Verifies airflow sensor responsiveness in run mode.
9.0 Remote Contacts
9.1 Fan Relay
Contacts activated when the blower is turned on.
9.2 Alarm Relay
Contacts activated when an airflow alarm condition occurs.
9.3 AUX Relay
Outputs activated when the blower is turned on, with conditional logic.
9.4 Remote Override
Contacts that shut down the cabinet when closed.
9.5 Night Setback
Contacts that place the cabinet into night setback mode when closed.
10.0 Optional Equipment
10.1 Ultraviolet Light
Details on the germicidal ultraviolet light, its purpose, and operation.
11.0 Electrical/Environmental Requirements
11.1 Electrical
Electrical specifications including voltage, frequency, and amperage.
11.2 Operational Performance
Conditions for optimal operational performance, including temperature and humidity.
11.3 Light Exposure
Specifies the intensity of standard fluorescent lighting.
11.4 Installation Category
Defines the transient over voltage category for safe installation.
11.5 Pollution Degree
Describes the level of conductive pollution in the operating environment.
11.6 Chemical Exposure
Guidelines on chemical usage and compatibility with cabinet materials.
11.7 EMC Performance
Electromagnetic compatibility classification for industrial environments.
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